This is the 2332nd most frequent French word.
oubliés
"Forgotten."
The word 'oubliés' is again an adjective modifying 'des coins', specifying that certain parts of the park are unnoticed or neglected.
Nous avons visité un parc avec des coins oubliés par les habitants.
We visited a park with areas forgotten by the inhabitants.
Here, 'oubliés' describes 'les souvenirs,' emphasizing that these memories were long neglected or out of mind before resurfacing.
Les souvenirs oubliés reviennent parfois de manière inattendue.
Forgotten memories sometimes return unexpectedly.
The word 'oubliés' is used here as an adjective to describe 'les livres', indicating that these books were left unattended or forgotten.